linux-kernel - Re: [PATCH 1/6] clocksource: em_sti: convert to clk

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Date:	Mon, 30 Sep 2013 17:25:41 +0200
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	takasi-y@....dti.ne.jp
Cc:	SH-Linux <linux-sh@...r.kernel.org>,
	Magnus Damm <magnus.damm@...il.com>, ben.dooks@...ethink.co.uk,
	Shinya Kuribayashi <shinya.kuribayashi.px@...esas.com>,
	devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
	Simon Horman <horms@...ge.net.au>,
	Paul Mundt <lethal@...ux-sh.org>,
	Mike Turquette <mturquette@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] clocksource: em_sti: convert to clk_prepare/unprepare

Hi Yoshii-san,

Thank you for the patch.

On Tuesday 24 September 2013 13:09:24 takasi-y@....dti.ne.jp wrote:
> From: Shinya Kuribayashi <shinya.kuribayashi.px@...esas.com>
> 
> Add calls to clk_prepare and unprepare so that EMMA Mobile EV2 can
> migrate to the common clock framework.
> 
> Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@...esas.com>

Acked-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
>  drivers/clocksource/em_sti.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
> index 3a5909c..9d17083 100644
> --- a/drivers/clocksource/em_sti.c
> +++ b/drivers/clocksource/em_sti.c
> @@ -78,7 +78,7 @@ static int em_sti_enable(struct em_sti_priv *p)
>  	int ret;
> 
>  	/* enable clock */
> -	ret = clk_enable(p->clk);
> +	ret = clk_prepare_enable(p->clk);
>  	if (ret) {
>  		dev_err(&p->pdev->dev, "cannot enable clock\n");
>  		return ret;
> @@ -107,7 +107,7 @@ static void em_sti_disable(struct em_sti_priv *p)
>  	em_sti_write(p, STI_INTENCLR, 3);
> 
>  	/* stop clock */
> -	clk_disable(p->clk);
> +	clk_disable_unprepare(p->clk);
>  }
> 
>  static cycle_t em_sti_count(struct em_sti_priv *p)
-- 
Regards,

Laurent Pinchart

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